12230333021 has 2 divisors, whose sum is σ = 12230333022. Its totient is φ = 12230333020.

The previous prime is 12230332999. The next prime is 12230333039. The reversal of 12230333021 is 12033303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11233668121 + 996664900 = 105989^2 + 31570^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230333021 - 2⁶ = 12230332957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230332984 and 12230333002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232333021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115166510 + 6115166511.

It is an arithmetic number, because the mean of its divisors is an integer number (6115166511).

Almost surely, 2^12230333021 is an apocalyptic number.

It is an amenable number.

12230333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230333021 is an equidigital number, since it uses as much as digits as its factorization.

12230333021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12230333021 its reverse (12033303221), we get a palindrome (24263636242).

The spelling of 12230333021 in words is "twelve billion, two hundred thirty million, three hundred thirty-three thousand, twenty-one".